Wedge fastener



FIG. 1 is a perspective view of a wedge fastener showing my new design;

FIG. 2 is a side view taken from the left of FIG. 1, the side opposite being a mirror image thereof;

FIG. 3 is a top view;

FIG. 4 is a bottom view; and

FIG. 5 is an end view taken from the left of FIG. 2;

FIG. 6 is an end view taken from the right of FIG. 2. 

The ornamental design for a wedge fastener, substantially as shown and described. 